/*
 * PatternTestView.java
 */

package patterntestapp;

import edu.uci.ics.jung.algorithms.layout.FRLayout2;
import edu.uci.ics.jung.algorithms.layout.Layout;
import edu.uci.ics.jung.graph.DirectedSparseGraph;
import edu.uci.ics.jung.visualization.*;
import edu.uci.ics.jung.visualization.control.*;
import edu.uci.ics.jung.visualization.decorators.ToStringLabeller;
import edu.uci.ics.jung.visualization.renderers.Renderer.VertexLabel.Position;
import java.awt.Component;
import java.awt.Dimension;
import patternmining.model.construction.ModelGraphBuilder;
import patternmining.model.construction.Source;
import patternmining.model.construction.BPSLSourceFile;
import patternmining.model.construction.WrongFileTypeException;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jdesktop.application.Action;
import org.jdesktop.application.ResourceMap;
import org.jdesktop.application.SingleFrameApplication;
import org.jdesktop.application.FrameView;
import org.jdesktop.application.TaskMonitor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.BufferedReader;
import java.io.FileReader;
import javax.swing.Timer;
import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;



/**
 * The application's main frame.
 */
public class PatternTestView extends FrameView {

    public PatternTestView(SingleFrameApplication app) {
        super(app);

        initComponents();

        // status bar initialization - message timeout, idle icon and busy animation, etc
        ResourceMap resourceMap = getResourceMap();
        int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout");
        messageTimer = new Timer(messageTimeout, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                statusMessageLabel.setText("");
            }
        });
        messageTimer.setRepeats(false);
        int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate");
        for (int i = 0; i < busyIcons.length; i++) {
            busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]");
        }
        busyIconTimer = new Timer(busyAnimationRate, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                busyIconIndex = (busyIconIndex + 1) % busyIcons.length;
                statusAnimationLabel.setIcon(busyIcons[busyIconIndex]);
            }
        });
        idleIcon = resourceMap.getIcon("StatusBar.idleIcon");
        statusAnimationLabel.setIcon(idleIcon);
        progressBar.setVisible(false);

        // connecting action tasks to status bar via TaskMonitor
        TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
        taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
            public void propertyChange(java.beans.PropertyChangeEvent evt) {
                String propertyName = evt.getPropertyName();
                if ("started".equals(propertyName)) {
                    if (!busyIconTimer.isRunning()) {
                        statusAnimationLabel.setIcon(busyIcons[0]);
                        busyIconIndex = 0;
                        busyIconTimer.start();
                    }
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(true);
                } else if ("done".equals(propertyName)) {
                    busyIconTimer.stop();
                    statusAnimationLabel.setIcon(idleIcon);
                    progressBar.setVisible(false);
                    progressBar.setValue(0);
                } else if ("message".equals(propertyName)) {
                    String text = (String)(evt.getNewValue());
                    statusMessageLabel.setText((text == null) ? "" : text);
                    messageTimer.restart();
                } else if ("progress".equals(propertyName)) {
                    int value = (Integer)(evt.getNewValue());
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(false);
                    progressBar.setValue(value);
                }
            }
        });
    }

    @Action
    public void showAboutBox() {
        if (aboutBox == null) {
            JFrame mainFrame = PatternTestApp.getApplication().getMainFrame();
            aboutBox = new PatternTestAboutBox(mainFrame);
            aboutBox.setLocationRelativeTo(mainFrame);
        }
        PatternTestApp.getApplication().show(aboutBox);
    }
    
    @Action
    public void offerFileSelection() {
            JFrame mainFrame = PatternTestApp.getApplication().getMainFrame();
            JFileChooser fileChooser = new JFileChooser();
            int selected = fileChooser.showOpenDialog(mainPanel);
            if ( selected == JFileChooser.APPROVE_OPTION ){
                File selectedFile = fileChooser.getSelectedFile();
                getText(selectedFile);
                BasicVisualizationServer viewer = getImage(selectedFile);
                jSplitPane1.setRightComponent((JPanel)viewer);
            }
    }
    
    public BasicVisualizationServer getImage(File file){
            VisualizationViewer<Integer,String> graphViewer = null;
            try{
            Source source = new BPSLSourceFile(file);
            ModelGraphBuilder builder = new ModelGraphBuilder(source);
            DirectedSparseGraph graph = builder.getGraph();
        
            Layout<Integer, String> layout = new FRLayout2(graph);
            Dimension dimension = jSplitPane1.getSize();
            double division = jSplitPane1.getDividerLocation();
            dimension.setSize( dimension.getHeight(), dimension.getWidth() - division );
            Dimension dimension2 = new Dimension( (int)dimension.getHeight() - 30, (int)dimension.getWidth() - 30 ) ;
            layout.setSize(dimension2);
            graphViewer =new VisualizationViewer<Integer,String>(layout);
            RenderContext renderContext = graphViewer.getRenderContext();
            renderContext.setEdgeLabelTransformer( new ToStringLabeller() );
            renderContext.setVertexLabelTransformer( new ToStringLabeller() );
            graphViewer.setRenderContext(renderContext);
            graphViewer.getRenderer().getVertexLabelRenderer().setPosition(Position.CNTR);
            graphViewer.setPreferredSize( dimension );
            DefaultModalGraphMouse gm = new DefaultModalGraphMouse();
            gm.setMode(ModalGraphMouse.Mode.PICKING);
            graphViewer.setGraphMouse(gm);
            }
            catch(IOException e){
                
            }
            catch(WrongFileTypeException e){
                
            }
            
            return (BasicVisualizationServer) graphViewer;
    }
    
    private void getText(File file){
        FileReader fileIn = null; BufferedReader bufferIn = null;
        try {
            fileIn = new FileReader(file);
            jEditorPane1.read(fileIn, null);
        } 
        catch (IOException ex) {
                
        }
       finally {
            try {
                fileIn.close();
            } catch (IOException ex) {
            }
        }
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        mainPanel = new javax.swing.JPanel();
        jSplitPane1 = new javax.swing.JSplitPane();
        jScrollPane2 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jScrollPane1 = new javax.swing.JScrollPane();
        jScrollPane3 = new javax.swing.JScrollPane();
        jEditorPane1 = new javax.swing.JEditorPane();
        menuBar = new javax.swing.JMenuBar();
        javax.swing.JMenu fileMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem();
        jMenuItem1 = new javax.swing.JMenuItem();
        javax.swing.JMenu helpMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem();
        statusPanel = new javax.swing.JPanel();
        javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator();
        statusMessageLabel = new javax.swing.JLabel();
        statusAnimationLabel = new javax.swing.JLabel();
        progressBar = new javax.swing.JProgressBar();
        jFrame1 = new javax.swing.JFrame();
        jFrame2 = new javax.swing.JFrame();

        mainPanel.setName("mainPanel"); // NOI18N
        mainPanel.setPreferredSize(new java.awt.Dimension(900, 700));

        jSplitPane1.setDividerLocation(300);
        jSplitPane1.setDividerSize(3);
        jSplitPane1.setFocusCycleRoot(true);
        jSplitPane1.setName("jSplitPane1"); // NOI18N

        jScrollPane2.setName("jScrollPane2"); // NOI18N

        jTextArea1.setColumns(20);
        jTextArea1.setLineWrap(true);
        jTextArea1.setRows(5);
        jTextArea1.setName("definitionArea"); // NOI18N
        jScrollPane2.setViewportView(jTextArea1);

        jSplitPane1.setLeftComponent(jScrollPane2);

        jScrollPane1.setName("jScrollPane1"); // NOI18N
        jSplitPane1.setRightComponent(jScrollPane1);

        jScrollPane3.setName("jScrollPane3"); // NOI18N

        jEditorPane1.setName("jEditorPane1"); // NOI18N
        jScrollPane3.setViewportView(jEditorPane1);

        jSplitPane1.setLeftComponent(jScrollPane3);

        javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
        mainPanel.setLayout(mainPanelLayout);
        mainPanelLayout.setHorizontalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addComponent(jSplitPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 837, Short.MAX_VALUE)
                .addContainerGap())
        );
        mainPanelLayout.setVerticalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jSplitPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 557, Short.MAX_VALUE))
        );

        menuBar.setName("menuBar"); // NOI18N

        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(patterntestapp.PatternTestApp.class).getContext().getResourceMap(PatternTestView.class);
        fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N
        fileMenu.setName("fileMenu"); // NOI18N

        javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(patterntestapp.PatternTestApp.class).getContext().getActionMap(PatternTestView.class, this);
        exitMenuItem.setAction(actionMap.get("quit")); // NOI18N
        exitMenuItem.setName("exitMenuItem"); // NOI18N
        fileMenu.add(exitMenuItem);

        jMenuItem1.setAction(actionMap.get("offerFileSelection")); // NOI18N
        jMenuItem1.setText(resourceMap.getString("jMenuItem1.text")); // NOI18N
        jMenuItem1.setName("jMenuItem1"); // NOI18N
        fileMenu.add(jMenuItem1);

        menuBar.add(fileMenu);

        helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N
        helpMenu.setName("helpMenu"); // NOI18N

        aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N
        aboutMenuItem.setName("aboutMenuItem"); // NOI18N
        helpMenu.add(aboutMenuItem);

        menuBar.add(helpMenu);

        statusPanel.setName("statusPanel"); // NOI18N

        statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N

        statusMessageLabel.setName("statusMessageLabel"); // NOI18N

        statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N

        progressBar.setName("progressBar"); // NOI18N

        javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel);
        statusPanel.setLayout(statusPanelLayout);
        statusPanelLayout.setHorizontalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 857, Short.MAX_VALUE)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(statusMessageLabel)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 687, Short.MAX_VALUE)
                .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(statusAnimationLabel)
                .addContainerGap())
        );
        statusPanelLayout.setVerticalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(statusMessageLabel)
                    .addComponent(statusAnimationLabel)
                    .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(3, 3, 3))
        );

        jFrame1.setName("jFrame1"); // NOI18N

        javax.swing.GroupLayout jFrame1Layout = new javax.swing.GroupLayout(jFrame1.getContentPane());
        jFrame1.getContentPane().setLayout(jFrame1Layout);
        jFrame1Layout.setHorizontalGroup(
            jFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 400, Short.MAX_VALUE)
        );
        jFrame1Layout.setVerticalGroup(
            jFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 300, Short.MAX_VALUE)
        );

        jFrame2.setName("jFrame2"); // NOI18N

        javax.swing.GroupLayout jFrame2Layout = new javax.swing.GroupLayout(jFrame2.getContentPane());
        jFrame2.getContentPane().setLayout(jFrame2Layout);
        jFrame2Layout.setHorizontalGroup(
            jFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 400, Short.MAX_VALUE)
        );
        jFrame2Layout.setVerticalGroup(
            jFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 300, Short.MAX_VALUE)
        );

        setComponent(mainPanel);
        setMenuBar(menuBar);
        setStatusBar(statusPanel);
    }// </editor-fold>//GEN-END:initComponents

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JEditorPane jEditorPane1;
    private javax.swing.JFrame jFrame1;
    private javax.swing.JFrame jFrame2;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JScrollPane jScrollPane3;
    private javax.swing.JSplitPane jSplitPane1;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JPanel mainPanel;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JProgressBar progressBar;
    private javax.swing.JLabel statusAnimationLabel;
    private javax.swing.JLabel statusMessageLabel;
    private javax.swing.JPanel statusPanel;
    // End of variables declaration//GEN-END:variables

    private final Timer messageTimer;
    private final Timer busyIconTimer;
    private final Icon idleIcon;
    private final Icon[] busyIcons = new Icon[15];
    private int busyIconIndex = 0;

    private JDialog aboutBox;
}
